text: On the morning of May 20, at Tan Son Nhat Airport in HCMC, Korean Air planes had to divert to another runway because of bird entanglements?
classes:  No, an airport in HCMC saw a flock of birds on the runway causing an aircraft to divert.  Also, an airport in HCMC saw a flock of birds on the runway causing an aircraft to divert.  Yes, an airport in HCMC saw a flock of birds on the runway causing an aircraft to divert.